| //@ revisions: paca pacg | |
| //@ compile-flags: --crate-type=rlib --target=aarch64-unknown-linux-gnu | |
| //@ needs-llvm-components: aarch64 | |
| //@[paca] compile-flags: -Ctarget-feature=+paca | |
| //@[paca] error-pattern: the target features paca, pacg must all be either enabled or disabled together | |
| //@[pacg] compile-flags: -Ctarget-feature=+pacg | |
| //@[pacg] error-pattern: the name `foo` is defined multiple times | |
| #![feature(no_core, lang_items)] | |
| #![no_core] | |
| #[lang="sized"] | |
| trait Sized {} | |
| // Can't use `compile_error!` here without `core`/`std` but requiring these makes this test only | |
| // work if you have libcore built in the sysroot for `aarch64-unknown-linux-gnu`. Can't run this | |
| // test on any aarch64 platform because they all have different default available features - as | |
| // written, this test depends on `aarch64-unknown-linux-gnu` having -paca,-pacg by default. | |
| // Cause a multiple definition error instead. | |
| fn foo() {} | |
| // Enabling one of the tied features does not imply the other is enabled. | |
| // | |
| // With +paca, this multiple definition doesn't cause an error because +paca hasn't implied | |
| // +pacg. With +pacg, the multiple definition error is emitted (and the tied feature error would | |
| // be). | |
| #[cfg(target_feature = "pacg")] | |
| pub unsafe fn foo() { | |
| } |